Publications

Journal articles

2024

Optimal blade pitch control for enhanced vertical-axis wind turbine performance

S. Le Fouest; K. Mulleners 

Nature Communications. 2024. Vol. 15, p. 2770. DOI : 10.1038/s41467-024-46988-0.

2023

Reconfiguring it out: How flexible structures interact with fluid flows

M. Baskaran; L. Hutin; K. Mulleners 

Physical Review Fluids. 2023. Vol. 8, num. 11, p. 110509. DOI : 10.1103/PhysRevFluids.8.110509.

Time scales of dynamic stall development on a vertical-axis wind turbine blade

S. Le Fouest; D. Fernex; K. Mulleners 

Flow. Applications on Fluid Mechanics. 2023. num. 3(2023), p. E11. DOI : 10.1017/flo.2023.5.

Review of rotating wing dynamic stall: Experiments and flow control

A. D. Gardner; A. R. Jones; K. Mulleners; J. W. Naughton; M. J. Smith 

Progress in Aerospace Sciences. 2023. Vol. 137, p. 100887. DOI : 10.1016/j.paerosci.2023.100887.

Strength and timing of primary and secondary vortices generated by a rotating plate

D. Francescangeli; K. Mulleners 

Experiments in Fluids. 2023. Vol. 64, p. 128(2023). DOI : 10.1007/s00348-023-03667-y.

Identification of the trade-off between speed and efficiency in undulatory swimming using a bio-inspired robot

A. Anastasiadis; L. Paez; K. Melo; E. D. Tytell; A. Ijspeert et al. 

Scientific Reports. 2023. Vol. 13, num. 1, p. 15032. DOI : 10.1038/s41598-023-41074-9.

2022

To tread or not to tread: comparison between water treading and conventional flapping wing kinematics

S. Krishna; A. Gehrke; K. Mulleners 

Bioinspiration & Biomimetics. 2022. Vol. 17, num. 6, p. 066018. DOI : 10.1088/1748-3190/ac9a1b.

Aeroelastic characterisation of a bio-inspired flapping membrane wing

A. Gehrke; J. Richeux; E. Uksul; K. Mulleners 

Bioinspiration & Biomimetics. 2022. Vol. 17, num. 6, p. 065004. DOI : 10.1088/1748-3190/ac8632.

The dynamic stall dilemma for vertical-axis wind turbines

S. Le Fouest; K. Mulleners 

Renewable Energy. 2022. Vol. 198, p. 505 – 520. DOI : 10.1016/j.renene.2022.07.071.

Lagrangian analysis of bio-inspired vortex ring formation

M. Baskaran; K. Mulleners 

Flow. 2022. Vol. 2, p. E16. DOI : 10.1017/flo.2022.9.

All you need is time to generalise the Goman-Khrabrov dynamic stall model

F. Ayancik; K. Mulleners 

Journal Of Fluid Mechanics. 2022. Vol. 942, p. R8. DOI : 10.1017/jfm.2022.381.

Experimental quantification of unsteady leading-edge flow separation

J. Deparday; X. He; J. D. Eldredge; K. Mulleners; D. R. Williams 

Journal of Fluid Mechanics. 2022. Vol. 941, p. A60. DOI : 10.1017/jfm.2022.319.

Greenberg’s Force Prediction for Vertical-Axis Wind Turbine Blades

D. Bensason; S. Le Fouest; A. Young; K. Mulleners 

Aiaa Journal. 2022. DOI : 10.2514/1.J061417.

On the parametrisation of motion kinematics for experimental aerodynamic optimisation

C. Busch; A. Gehrke; K. Mulleners 

Experiments in Fluids. 2022. Vol. 63, num. 10. DOI : 10.1007/s00348-021-03367-5.

Estimating the non-dimensional energy of vortex rings by modelling their roll-up

G. de Guyon; K. Mulleners 

Journal of Fluid Mechanics. 2022. Vol. 940, p. R2. DOI : 10.1017/jfm.2022.275.

Tapered foils favor traveling-wave kinematics to enhance the performance of flapping propulsion

P. Leroy-Calatayud; M. Pezzulla; A. Keiser; K. Mulleners; P. M. Reis 

Physical Review Fluids. 2022. Vol. 7, num. 7, p. 074403. DOI : 10.1103/PhysRevFluids.7.074403.

2021

The dynamics and timescales of static stall

S. Le Fouest; J. Deparday; K. Mulleners 

Journal of Fluids and Structures. 2021. Vol. 104, p. 103304. DOI : 10.1016/j.jfluidstructs.2021.103304.

Discrete shedding of secondary vortices along a modified Kaden spiral

D. Francescangeli; K. Mulleners 

Journal Of Fluid Mechanics. 2021. Vol. 917, p. A44. DOI : 10.1017/jfm.2021.259.

Phenomenology and scaling of optimal flapping wing kinematics

A. Gehrke; K. Mulleners 

Bioinspiration & Biomimetics. 2021. Vol. 16, num. 2, p. 026016. DOI : 10.1088/1748-3190/abd012.

Scaling of the translational velocity of vortex rings behind conical objects

G. de Guyon; K. Mulleners 

Physical Review Fluids. 2021. Vol. 6, num. 2, p. 024701. DOI : 10.1103/PhysRevFluids.6.024701.

Unsteady lift on a high-amplitude pitching aerofoil

S. Ōtomo; S. Henne; K. Mulleners; K. Ramesh; I. M. Viola 

Experiments in Fluids. 2021. Vol. 62, p. 6. DOI : 10.1007/s00348-020-03095-2.

2020

Stall Delay and Leading-Edge Suction for a Pitching Airfoil with Trailing-Edge Flap

G. He; J. Deparday; L. Siegel; A. Henning; K. Mulleners 

AIAA Journal. 2020.  p. 1 – 10. DOI : 10.2514/1.J059719.

Multiscale Vortex Characteristics of Dynamic Stall from Empirical Mode Decomposition

P. J. Ansell; K. Mulleners 

AIAA Journal. 2020. Vol. 58, num. 2, p. 1 – 18. DOI : 10.2514/1.J057800.

Experimental analysis of multiscale vortex shedding in turbulent turbomachine blade wakes

P. Gilge; J. R. Seume; K. Mulleners 

AIAA Journal. 2020.  p. 1 – 8. DOI : 10.2514/1.J059476.

2019

Modeling the interplay between the shear layer and leading edge suction during dynamic stall

J. Deparday; K. Mulleners 

Physics of Fluids. 2019. Vol. 31, num. 10, p. 107104. DOI : 10.1063/1.5121312.

Effect of pitch on the flow behavior around a hovering wing

S. Krishna; M. A. Green; K. Mulleners 

Experiments in Fluids. 2019. Vol. 60, num. 5, p. 60:86. DOI : 10.1007/s00348-019-2732-3.

Coherent Structure Interaction During Unsteady Separation

M. S. Melius; K. Mulleners; R. B. Cal 

AIAA Journal. 2019. Vol. 57, num. 8, p. 3239 – 3249. DOI : 10.2514/1.J058059.

2018

Genetic Algorithm Based Optimization of Wing Rotation in Hover

A. Gehrke; G. Guyon-Crozier; K. Mulleners 

Fluids. 2018. Vol. 3, num. 3, p. 59. DOI : 10.3390/fluids3030059.

Flowfield and Force Evolution for a Symmetric Hovering Flat-Plate Wing

S. Krishna; M. Green; K. Mulleners 

AIAA Journal. 2018. Vol. 56, num. 4, p. 1360 – 1371. DOI : 10.2514/1.J056468.

The role of surface vorticity during unsteady separation

M. S. Melius; K. Mulleners; R. B. Cal 

Physics of Fluids. 2018. Vol. 30, num. 4, p. 045108. DOI : 10.1063/1.5006527.

Cross-correlation analysis of synchronized PIV and microphone measurements of an oscillating airfoil

L. Siegel; K. Ehrenfried; C. Wagner; K. Mulleners; A. Henning 

Journal of Visualization. 2018. Vol. 21, p. 381 – 395. DOI : 10.1007/s12650-018-0473-7.

2017

Analysis of Intermittent Trailing-Edge Vortex Shedding Using Recurrence Plots

K. Mulleners; M. Ruetten 

AIAA Journal. 2017. Vol. 56, num. 2, p. 571 – 580. DOI : 10.2514/1.J056329.

Flow Development on a Flat-Plate Wing Subjected to a Streamwise Acceleration

K. Mulleners; P. Mancini; A. R. Jones 

AIAA Journal. 2017. Vol. 55, num. 6, p. 2118 – 2122. DOI : 10.2514/1.J055497.

2016

Dynamic stall of an experimental wind turbine blade

M. Melius; R. B. Cal; K. Mulleners 

Physics of Fluids. 2016. Vol. 28, num. 3, p. 034103. DOI : 10.1063/1.4942001.

Resulting Aerodynamic Losses of Combinations of Localized Roughness Patches on Turbine Blades

P. Gilge; K. Mulleners 

AIAA Journal. 2016. Vol. 54, num. 8, p. 2552 – 2555. DOI : 10.2514/1.J054602.

Characterizing a burst leading-edge vortex on a rotating flat plate wing

A. R. Jones; A. Medina; H. Spooner; K. Mulleners 

Experiments in Fluids. 2016. Vol. 57, num. 4, p. 1 – 16. DOI : 10.1007/s00348-016-2143-7.

PhD theses

The effects of kinematics, flexibility, and planform on the vortex formation and aerodynamic performance of flapping wing flight

A. Gehrke / K. A. J. Mulleners (Dir.)  

Lausanne, EPFL, 2023. 

Dynamic stall characterisation and control for vertical-axis wind turbines

S. Le Fouest / K. A. J. Mulleners (Dir.)  

Lausanne, EPFL, 2023. 

Growth, timing, & trajectory of vortices behind a rotating plate

D. Francescangeli / K. A. J. Mulleners (Dir.)  

Lausanne, EPFL, 2022. 

Evolution of the vorticity distribution in vortex rings

G. de Guyon-Crozier / K. A. J. Mulleners (Dir.)  

Lausanne, EPFL, 2021. 

Unsteady fluid dynamics around a hovering flat plate wing

S. B. Krishna / K. A. J. Mulleners; M. A. Green (Dir.)  

Lausanne, EPFL, 2017. 

Book contributions

Applications: Helicopter Aerodynamics, Particle Image Velocimetry

K. Mulleners; M. Raffel 

Particle Image Velocimetry; Springer International Publishing, 2018. p. 477 – 499.

Conference proceedings

2021

Influence of span-wise coherence on the acoustic radiation in a cylinder wake

L. Siegel; G. He; A. Henning; K. Mulleners 

14th International Symposium on Particle Image Velocimetry (ISPIV2021), Online, August 1–4, 2021.

Role of adaptive camber on optimal flapping wing performance

A. Gehrke; K. Mulleners 

The 9.5th international symposium on Adaptive Motion of Animals and Machines (AMAM2021), Online, June 22-25, 2021.

Learning interpretable latent dynamics for a 2D airfoil system

C. Donner; N. Tagasovska; G. He; K. Mulleners; H. Shimazaki et al. 

2021. RobustML workshop at ICLR 2021, online, May 7, 2021.

2020

Predicting unsteady flow separation in response to a flow disturbance

K. Mulleners; J. Deparday; G. He; S. Henne 

2020. AIAA Scitech 2020 Forum, Orlando, FL, USA, January 6-10, 2020. DOI : 10.2514/6.2020-0083.

Dynamic stall on an airfoil undergoing VAWT blade angle of attack variations

S. Henne; S. Le Fouest; K. Mulleners 

2020. The science of making torque from wind, online, September 28 – October 2, 2020. DOI : 10.1088/1742-6596/1618/5/052033.

An Assessment of the State-of-the-Art from the 2019 ARO Dynamic Stall Workshop

M. J. Smith; A. R. Jones; F. Ayancik Cinoglu; K. Mulleners; J. W. Naughton 

2020. AIAA AVIATION 2020 FORUM, online, June 15-19, 2020. DOI : 10.2514/6.2020-2697.

2018

Critical evolution of leading edge suction during dynamic stall

J. Deparday; K. Mulleners 

2018. 7th Conference on Science of Making Torque from Wind (TORQUE), Milan, ITALY, Jun 20-22, 2018. DOI : 10.1088/1742-6596/1037/2/022017.

Lagrangian analysis of the formation of vortices on a rotating flat plate

D. Francescangeli; E. Reynaud; G. de Guyon-Crozier; K. Mulleners 

2018. 19th international symposium on the applications of laser and imaging techniques to fluid mechanics, Lisbon, Portugal, July 16-19, 2018.

Analysis of local roughness combinations on the aerodynamic properties of a compressor blade

P. Gilge; J. R. Seume; K. Mulleners 

2018. 2018 AIAA Aerospace Sciences Meeting, Kissimmee, Florida, January 8-12, 2018. DOI : 10.2514/6.2018-0345.

Effect Of Surface Roughness On The Characteristic Length Scales In The Wake Of A Compressor Blade: A POD Analysis

P. Gilge; J. R. Seume; K. Mulleners 

2018. 19th international symposium on the applications of laser and imaging techniques to fluid mechanics, Lisbon, Portugal, July 16-19, 2018.

Dynamic stall vortex shedding and associated load fluctuations

S. Henne; A. Parikh; J. Deparday; K. Mulleners 

2018. 19th international symposium on the applications of laser and imaging techniques to fluid mechanics, Lisbon, Portugal, July 16-19, 2018.

Experimental investigation of the influence of anisotropic surface structures on the boundary layer flow

S. Kurth; C. Hamann; J. R. Seume; K. Mulleners 

2018. 2018 AIAA Aerospace Sciences Meeting, Kissimmee, Florida, January 8-12, 2018. DOI : 10.2514/6.2018-0585.

2016

Influence of surface roughness on the turbulent properties in the wake of a turbine blade

L. Neuhaus; P. Gilge; J. Seume; K. Mulleners 

2016. 18th international symposium on the applications of laser and imaging techniques to fluid dynamics, Lisbon, Portugal, July 2016.

Analysis of intermittent trailing edge vortex shedding using recurrence plots

K. Mulleners; M. Rütten 

2016. 8th international symposium on the applications of laser and imaging techniques to fluid dynamics, Lisbon, Portugal, July 2016.

Experimental analysis of the flow development on an airfoil harmonically surging into reverse flow

K. Mulleners; M. Ol; A. R. Jones 

2016. 54th AIAA Aerospace Sciences Meeting, San Diego, CA, Januari 2016. DOI : 10.2514/6.2016-1312.

Experimental investigation of a large aspect ratio flat plate encountering a steam-wise gust

K. Mulleners; P. Mancini; A. Jones 

2016. 46th AIAA Fluid Dynamics Conference, Washington, DC, June 2016. DOI : 10.2514/6.2016-4258.